1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2012 Colin Walters <walters@verbum.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include "ot-admin-builtins.h"
#include "ot-admin-functions.h"
#include "ostree.h"
#include "otutil.h"
#include "libgsystem.h"
#include <unistd.h>
#include <stdlib.h>
#include <glib/gi18n.h>
static gboolean opt_reboot;
static char *opt_osname;
static GOptionEntry options[] = {
{ "os", 0, 0, G_OPTION_ARG_STRING, &opt_osname, "Specify operating system root to use", NULL },
{ "reboot", 'r', 0, G_OPTION_ARG_NONE, &opt_reboot, "Reboot after a successful upgrade", NULL },
{ NULL }
};
gboolean
ot_admin_builtin_upgrade (int argc, char **argv, OstreeSysroot *sysroot, GCancellable *cancellable, GError **error)
{
gboolean ret = FALSE;
GOptionContext *context;
gs_unref_object OstreeRepo *repo = NULL;
gs_free char *origin_refspec = NULL;
gs_free char *origin_remote = NULL;
gs_free char *origin_ref = NULL;
gs_free char *new_revision = NULL;
gs_unref_object GFile *deployment_path = NULL;
gs_unref_object GFile *deployment_origin_path = NULL;
gs_unref_object OstreeDeployment *merge_deployment = NULL;
gs_unref_object OstreeDeployment *new_deployment = NULL;
GKeyFile *origin;
context = g_option_context_new ("Construct new tree from current origin and deploy it, if it changed");
g_option_context_add_main_entries (context, options, NULL);
if (!g_option_context_parse (context, &argc, &argv, error))
goto out;
if (!ostree_sysroot_load (sysroot, cancellable, error))
goto out;
if (!ot_admin_require_booted_deployment_or_osname (sysroot, opt_osname,
cancellable, error))
goto out;
if (!opt_osname)
opt_osname = (char*)ostree_deployment_get_osname (ostree_sysroot_get_booted_deployment (sysroot));
merge_deployment = ostree_sysroot_get_merge_deployment (sysroot, opt_osname);
if (merge_deployment == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"No previous deployment for OS '%s'", opt_osname);
goto out;
}
deployment_path = ostree_sysroot_get_deployment_directory (sysroot, merge_deployment);
deployment_origin_path = ostree_sysroot_get_deployment_origin_path (deployment_path);
if (!ostree_sysroot_get_repo (sysroot, &repo, cancellable, error))
goto out;
origin = ostree_deployment_get_origin (merge_deployment);
if (!origin)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"No origin known for current deployment");
goto out;
}
origin_refspec = g_key_file_get_string (origin, "origin", "refspec", NULL);
if (!origin_refspec)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"No origin/refspec in current deployment origin; cannot upgrade via ostree");
goto out;
}
if (!ostree_parse_refspec (origin_refspec, &origin_remote, &origin_ref, error))
goto out;
if (origin_remote)
{
char *refs_to_fetch[] = { origin_ref, NULL };
g_print ("Fetching remote %s ref %s\n", origin_remote, origin_ref);
if (!ostree_repo_pull (repo, origin_remote, refs_to_fetch, OSTREE_REPO_PULL_FLAGS_NONE,
cancellable, error))
goto out;
}
if (!ostree_repo_resolve_rev (repo, origin_ref, FALSE, &new_revision,
error))
goto out;
if (strcmp (ostree_deployment_get_csum (merge_deployment), new_revision) == 0)
{
g_print ("Refspec %s is unchanged\n", origin_refspec);
}
else
{
gs_unref_object GFile *real_sysroot = g_file_new_for_path ("/");
if (!ostree_sysroot_deploy_one_tree (sysroot,
opt_osname, new_revision, origin,
NULL, FALSE,
merge_deployment,
&new_deployment,
cancellable, error))
goto out;
if (opt_reboot && g_file_equal (ostree_sysroot_get_path (sysroot), real_sysroot))
{
gs_subprocess_simple_run_sync (NULL, GS_SUBPROCESS_STREAM_DISPOSITION_INHERIT,
cancellable, error,
"systemctl", "reboot", NULL);
}
}
ret = TRUE;
out:
if (context)
g_option_context_free (context);
return ret;
}
|
